CVE-2020-21677

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Summary

CVECVE-2020-21677
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-08-10 21:15:00 UTC
Updated2021-08-17 16:30:00 UTC
DescriptionA heap-based buffer overflow in the sixel_encoder_output_without_macro function in encoder.c of Libsixel 1.8.4 allows attackers to cause a denial of service (DOS) via converting a crafted PNG file into Sixel format.

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Libsixel Project Libsixel 1.8.4 All All All

References

ReferenceSourceLinkTags
heap-buffer-overflow in sixel_encoder_output_without_macro at encoder.c:814 · Issue #123 · saitoha/libsixel · GitHub MISC github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 180609 Debian Security Update for libsixel (CVE-2020-21677)
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